When taking your corner kicks, do not be in a rush! Before you place the ball in its spot look around for some attackers. Breath in and out a couple of times slowly to relax your body. Approach the ball at an angle and take three steps back from the ball and take your runup. Swing your leg as far back as you can lean back slightly then strike the ball with all the power you got, after youve hit the ball follow through, your leg should go as high as posible. Before you kick bend your non kicking leg slightly. It is important to kick the corner AWAY from the keeper.